I am using new WD 2go (2.0.0) on my iPhone with My Book Live (02.11.12-060). I tried to move three folders, from Public share folder into my Private share folder. These three moved folders included 8 files total, three of them (one in every folder) had approximately 4GB in size.
As a result, two folder was copied (and deleted) quite fast, third folder stucked (in Activity) and did not finished. Moved files, those that were originaly 4GB in size had only around 350MB after the action.
I am glad that I did not deleted those filed from my computer, so I did not lost them. I am really upset and I regret buying MLB because the sotware is terrible.